HVAC Services for Glen Ellyn Homes and Businesses
Cardinal Heating & Cooling helps Glen Ellyn property owners manage comfort, air quality, and equipment performance through every season. Our residential and commercial capabilities include furnace, boiler, and air conditioning service; whole-home air purification and humidity control; thermostat installation and repair; and custom wine cellar cooling. We assess how the equipment, controls, airflow, and property conditions work together before recommending a solution.
Founded in 2010, Cardinal is a family-owned company with more than 80 years of combined Chicago-area HVAC experience. Our NATE-certified technicians provide careful diagnostics, clear explanations, and detailed quotes for approved work. Customers can also reach our team for 24/7 emergency heating and cooling repair when a sudden breakdown requires prompt service.
1,840+
GLEN ELLYN HOMES SERVED
16 yrs
LOCAL SINCE 2010
~25 min
AVG. ARRIVAL
4.9 ★
FROM 142 REVIEWS
Speak with a Cardinal representative
(630) 581-5622
-
TODAY
7am – 5pm -
EMERGENCY
24 / 7
SERVICES AVAILABLE IN Glen Ellyn
Furnaces
Air Conditioning
Wine Cellar Cooling
Indoor Air Quality
Filtration and humidity control for your home.
Our TEAM
Sixteen NATE-certified technicians.
One office, 9.2 miles from your door.
Glen Ellyn Questions
Local-specific answers.
Call the office at (630) 581-5622 for anything not covered.
Does Cardinal offer emergency HVAC service in Glen Ellyn?
Cardinal is available 24 hours a day for urgent furnace and air conditioning repair. When you call, explain the system type, current symptoms, and whether heating or cooling has stopped entirely. The office will assess urgency and provide the most accurate service window based on active calls, weather, travel, and technician availability.
Do you service boiler heat and separate central AC systems?
Yes. Cardinal works on boilers, piping, radiators, furnaces or air handlers, central air conditioners, and compatible thermostats and controls. A Glen Ellyn property with separate heating and cooling systems can therefore be evaluated as one comfort setup. The technician can identify whether the issue is isolated to one unit or involves shared controls or air-delivery components.
Is HVAC service available throughout Glen Ellyn?
Cardinal serves homes and businesses across Glen Ellyn and surrounding western suburban communities. Customers can schedule new-system consultations, preventive maintenance, diagnostic visits, and emergency heating or cooling repair. For addresses near a municipal boundary, the office can confirm coverage using the full service location.
Which HVAC projects require permits in Glen Ellyn?
Village of Glen Ellyn guidance identifies furnace, boiler, and air conditioning component installation or replacement among work that requires a permit. Specific submittals and inspections depend on the project. Cardinal can provide equipment specifications and scope details and help coordinate the installation schedule around the applicable municipal review.
When should Glen Ellyn HVAC systems receive maintenance?
Plan furnace and boiler service before heavy winter operation and air conditioning maintenance before the hottest part of summer. Cardinal checks equipment condition and operation, completes appropriate upkeep, and notes concerns that may need repair or monitoring. The recommended frequency can reflect system age, usage, condition, and manufacturer guidance.
Licensed, insured, and verifiable.
NATE
EPA 608
BBB A+
Carrier
$2M
Glen Ellyn • READY WHEN YOU ARE
One call. We're already on the way.
Cardinal Heating & Cooling can help with heating and AC service, indoor air quality improvements, thermostat needs, and dedicated wine cellar cooling. Our team serves residential and commercial properties throughout Glen Ellyn.
Schedule an appointment today or request a consultation for new HVAC, control, air quality, or specialty cooling equipment.
Office hours: Mon–Fri 7am–7pm • Sat 8am–4pm • 24/7 emergency line